CSS arrows triangle

css-arrows-general.css

/* http://css-tricks.com/snippets/css/css-triangle/ */
 
.arrow-up {
    width: 0; 
    height: 0; 
	border-left: 5px solid transparent;
	border-right: 5px solid transparent;
	
	border-bottom: 5px solid black;
}
 
.arrow-down {
	width: 0; 
	height: 0; 
	border-left: 20px solid transparent;
	border-right: 20px solid transparent;
	
	border-top: 20px solid #f00;
}
 
.arrow-right {
	width: 0; 
	height: 0; 
	border-top: 60px solid transparent;
	border-bottom: 60px solid transparent;
	
	border-left: 60px solid green;
}
 
.arrow-left {
	width: 0; 
	height: 0; 
	border-top: 10px solid transparent;
	border-bottom: 10px solid transparent; 
	
	border-right:10px solid blue; 
}